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  • Sound Symptoms

Top Page > Troubleshooting > Sound Symptoms

Sound Symptoms

  • No sound but good picture.
  • Audio noise.
  • No audio or low audio with home theatre system.
  • Distorted picture and/or sound.

No sound but good picture.
  • Check the volume control.
  • Press or + to cancel muting.
  • Set [Speakers] to [TV Speakers] in the [Sound] setting. If it is set to [Audio System], sound is not output from the TV’s speakers regardless of the TV’s volume control.
  • When using HDMI input with Super Audio CD or DVD-Audio, DIGITAL AUDIO OUT (OPTICAL) may not output audio signals.
Audio noise.
  • Make sure that the antenna (aerial) is connected using a 75-ohm coaxial cable.
  • Keep the antenna (aerial) cable away from other connecting cables.
  • To avoid TV interference, make sure to use an undamaged antenna (aerial) cable.
  • Adjust [AFT] (Automatic Fine Tuning) to improve sound for analogue reception. ([AFT] may not be available depending on your region/country.)
No audio or low audio with home theatre system.
  • Set [Speakers] to [Audio System] in the [Sound] setting.
  • Set [Audio Out] to [Fixed] in the [Sound] setting.
  • If you select an analogue (RF) channel and pictures are displayed correctly, change the TV broadcast system. Press HOME, then select → [Manual Programme Preset] → [TV System]. (Availability of [Manual Programme Preset] or option name differs depending on the region/country/situation.)
Distorted picture and/or sound.
  • Keep the TV away from electrical noise sources such as cars, hair-dryers, Wi-Fi units, mobile phones, or optical equipment.
  • When installing optional equipment, leave some space between the equipment and TV.
  • Check the antenna (aerial)/cable connection.
  • Keep the antenna (aerial)/cable TV cable away from other connecting cables.
  • Adjust [AFT] (Automatic Fine Tuning) to improve picture/sound for analogue reception. ([AFT] may not be available depending on your region/country.)
  • Set [LNA] to [Off] to improve picture reception. ([LNA] may not be available depending on the situation.)
  • Set [Audio Filter] to [Low] or [High] to improve sound for analogue reception. ([Audio Filter] may not be available depending on your region/country.)

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